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Optimal Adjustment Paths in a Monetary Union

Ansgar Belke () and Daniel Gros

No 201710, ROME Working Papers from ROME Network

Abstract: What to do when a country experiences a sudden stop in capital inflows and has to adjust externally? Sticky wages make adjustment to an external imbalance more difficult within a monetary union. Periods of high unemployment are usually necessary to achieve the required real depreciation (internal devaluation). Gradual adjustment is usually recommended to distribute the output and employment cost over time. But a gradual adjustment also implies that current account deficits persist for longer, leading to higher debt, and higher debt-service costs. The optimal path of price and wage adjustment thus involves a trade-off between the pain (unemployment) and the gain (lower debt) from adjustment. A simple model shows the determinants of the optimal path in terms of deeper parameters, such as the slope of the Phillips curve and the degree of openness. The rules for the resolution of future crises within the euro area should take this into account. Gradual adjustment is not always the optimal choice, and sometimes the alternative path of introducing abrupt changes produces the desired results.

Keywords: Speed of adjustment; openness; Phillips curve; price and wage adjustment; internal devaluation; policy complementarities (search for similar items in EconPapers)
JEL-codes: F41 F45 P11 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-eec and nep-opm
Date: 2017-10
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http://www.rome-net.org/RePEc/rmn/wpaper/rome-wp-2017-10.pdf First version, 2017 (application/pdf)

Related works:
Journal Article: Optimal adjustment paths in a monetary union (2017) Downloads
Working Paper: Optimal adjustment paths in a monetary union (2016) Downloads
Working Paper: Optimal adjustment paths in a monetary union (2016) Downloads
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